205419578

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1583}}^1$

素因数の和:1659

約数の個数: 64

約数和(自身を含む): 408748032

約数和(自身を除く): 203328454

約数列:

[1, 2, 7, 13, 14, 23, 26, 31, 46, 62, 91, 161, 182, 217, 299, 322, 403, 434, 598, 713, 806, 1426, 1583, 2093, 2821, 3166, 4186, 4991, 5642, 9269, 9982, 11081, 18538, 20579, 22162, 36409, 41158, 49073, 64883, 72818, 98146, 129766, 144053, 254863, 288106, 343511, 473317, 509726, 637949, 687022, 946634, 1128679, 1275898, 2257358, 3313219, 4465643, 6626438, 7900753, 8931286, 14672827, 15801506, 29345654, 102709789, 205419578]

約数ペア:

[(1, 205419578), (2, 102709789), (7, 29345654), (13, 15801506), (14, 14672827), (23, 8931286), (26, 7900753), (31, 6626438), (46, 4465643), (62, 3313219), (91, 2257358), (161, 1275898), (182, 1128679), (217, 946634), (299, 687022), (322, 637949), (403, 509726), (434, 473317), (598, 343511), (713, 288106), (806, 254863), (1426, 144053), (1583, 129766), (2093, 98146), (2821, 72818), (3166, 64883), (4186, 49073), (4991, 41158), (5642, 36409), (9269, 22162), (9982, 20579), (11081, 18538)]